diff options
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/Kconfig | 2 | ||||
-rw-r--r-- | drivers/staging/Makefile | 1 | ||||
-rw-r--r-- | drivers/staging/android/ion/ion_test.c | 4 | ||||
-rw-r--r-- | drivers/staging/comedi/drivers/ni_mio_common.c | 12 | ||||
-rw-r--r-- | drivers/staging/fsl-mc/bus/mc-bus.c | 4 | ||||
-rw-r--r-- | drivers/staging/fsl-mc/bus/mc-sys.c | 6 | ||||
-rw-r--r-- | drivers/staging/lustre/lustre/Kconfig | 2 | ||||
-rw-r--r-- | drivers/staging/lustre/lustre/mgc/mgc_request.c | 2 | ||||
-rw-r--r-- | drivers/staging/most/hdm-dim2/dim2_hdm.c | 2 | ||||
-rw-r--r-- | drivers/staging/rtl8712/TODO | 12 | ||||
-rw-r--r-- | drivers/staging/rtl8723au/TODO | 3 | ||||
-rw-r--r-- | drivers/staging/ste_rmi4/Kconfig | 9 | ||||
-rw-r--r-- | drivers/staging/ste_rmi4/Makefile | 4 | ||||
-rw-r--r-- | drivers/staging/ste_rmi4/TODO | 7 | ||||
-rw-r--r-- | drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c | 1137 | ||||
-rw-r--r-- | drivers/staging/ste_rmi4/synaptics_i2c_rmi4.h | 46 | ||||
-rw-r--r-- | drivers/staging/wilc1000/coreconfigurator.c | 8 | ||||
-rw-r--r-- | drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 7 |
18 files changed, 38 insertions, 1230 deletions
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index f0ca4a18b799..cf84581287b9 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -60,8 +60,6 @@ source "drivers/staging/emxx_udc/Kconfig" source "drivers/staging/speakup/Kconfig" -source "drivers/staging/ste_rmi4/Kconfig" - source "drivers/staging/nvec/Kconfig" source "drivers/staging/media/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 22464a09cb27..7d6448d20464 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -21,7 +21,6 @@ obj-$(CONFIG_FB_SM750) += sm750fb/ obj-$(CONFIG_FB_XGI) += xgifb/ obj-$(CONFIG_USB_EMXX) += emxx_udc/ obj-$(CONFIG_SPEAKUP) += speakup/ -obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += ste_rmi4/ obj-$(CONFIG_MFD_NVEC) += nvec/ obj-$(CONFIG_STAGING_RDMA) += rdma/ obj-$(CONFIG_ANDROID) += android/ diff --git a/drivers/staging/android/ion/ion_test.c b/drivers/staging/android/ion/ion_test.c index da34bc12cd7c..83a3af06d01c 100644 --- a/drivers/staging/android/ion/ion_test.c +++ b/drivers/staging/android/ion/ion_test.c @@ -285,8 +285,8 @@ static int __init ion_test_init(void) { ion_test_pdev = platform_device_register_simple("ion-test", -1, NULL, 0); - if (!ion_test_pdev) - return -ENODEV; + if (IS_ERR(ion_test_pdev)) + return PTR_ERR(ion_test_pdev); return platform_driver_probe(&ion_test_platform_driver, ion_test_probe); } diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index d1226c97664b..dcaf7e89f299 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -246,24 +246,24 @@ static void ni_writel(struct comedi_device *dev, uint32_t data, int reg) { if (dev->mmio) writel(data, dev->mmio + reg); - - outl(data, dev->iobase + reg); + else + outl(data, dev->iobase + reg); } static void ni_writew(struct comedi_device *dev, uint16_t data, int reg) { if (dev->mmio) writew(data, dev->mmio + reg); - - outw(data, dev->iobase + reg); + else + outw(data, dev->iobase + reg); } static void ni_writeb(struct comedi_device *dev, uint8_t data, int reg) { if (dev->mmio) writeb(data, dev->mmio + reg); - - outb(data, dev->iobase + reg); + else + outb(data, dev->iobase + reg); } static uint32_t ni_readl(struct comedi_device *dev, int reg) diff --git a/drivers/staging/fsl-mc/bus/mc-bus.c b/drivers/staging/fsl-mc/bus/mc-bus.c index 9f77c37bd612..b59455661f4d 100644 --- a/drivers/staging/fsl-mc/bus/mc-bus.c +++ b/drivers/staging/fsl-mc/bus/mc-bus.c @@ -260,14 +260,14 @@ static int get_dprc_icid(struct fsl_mc_io *mc_io, error = dprc_open(mc_io, 0, container_id, &dprc_handle); if (error < 0) { - dev_err(&mc_io->dev, "dprc_open() failed: %d\n", error); + dev_err(mc_io->dev, "dprc_open() failed: %d\n", error); return error; } memset(&attr, 0, sizeof(attr)); error = dprc_get_attributes(mc_io, 0, dprc_handle, &attr); if (error < 0) { - dev_err(&mc_io->dev, "dprc_get_attributes() failed: %d\n", + dev_err(mc_io->dev, "dprc_get_attributes() failed: %d\n", error); goto common_cleanup; } diff --git a/drivers/staging/fsl-mc/bus/mc-sys.c b/drivers/staging/fsl-mc/bus/mc-sys.c index 8101c469abb0..810a611c1cb0 100644 --- a/drivers/staging/fsl-mc/bus/mc-sys.c +++ b/drivers/staging/fsl-mc/bus/mc-sys.c @@ -328,7 +328,7 @@ static int mc_polling_wait_preemptible(struct fsl_mc_io *mc_io, MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS); if (time_after_eq(jiffies, jiffies_until_timeout)) { - dev_dbg(&mc_io->dev, + dev_dbg(mc_io->dev, "MC command timed out (portal: %#llx, obj handle: %#x, command: %#x)\n", mc_io->portal_phys_addr, (unsigned int) @@ -370,7 +370,7 @@ static int mc_polling_wait_atomic(struct fsl_mc_io *mc_io, udelay(MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS); timeout_usecs -= MC_CMD_COMPLETION_POLLING_MAX_SLEEP_USECS; if (timeout_usecs == 0) { - dev_dbg(&mc_io->dev, + dev_dbg(mc_io->dev, "MC command timed out (portal: %#llx, obj handle: %#x, command: %#x)\n", mc_io->portal_phys_addr, (unsigned int) @@ -426,7 +426,7 @@ int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd) goto common_exit; if (status != MC_CMD_STATUS_OK) { - dev_dbg(&mc_io->dev, + dev_dbg(mc_io->dev, "MC command failed: portal: %#llx, obj handle: %#x, command: %#x, status: %s (%#x)\n", mc_io->portal_phys_addr, (unsigned int)MC_CMD_HDR_READ_TOKEN(cmd->header), diff --git a/drivers/staging/lustre/lustre/Kconfig b/drivers/staging/lustre/lustre/Kconfig index a09b51ce8265..8ac7cd4d6fdb 100644 --- a/drivers/staging/lustre/lustre/Kconfig +++ b/drivers/staging/lustre/lustre/Kconfig @@ -1,7 +1,7 @@ config LUSTRE_FS tristate "Lustre file system client support" depends on m && !MIPS && !XTENSA && !SUPERH - select LNET + depends on LNET select CRYPTO select CRYPTO_CRC32 select CRYPTO_CRC32_PCLMUL if X86 diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c index 65caffe8c42e..b7dc87248032 100644 --- a/drivers/staging/lustre/lustre/mgc/mgc_request.c +++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c @@ -1282,7 +1282,7 @@ static int mgc_apply_recover_logs(struct obd_device *mgc, rc = -ENOMEM; lcfg = lustre_cfg_new(LCFG_PARAM, &bufs); - if (!lcfg) { + if (IS_ERR(lcfg)) { CERROR("mgc: cannot allocate memory\n"); break; } diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c index 0dc86add7161..a36449551513 100644 --- a/drivers/staging/most/hdm-dim2/dim2_hdm.c +++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c @@ -771,7 +771,7 @@ static int dim2_probe(struct platform_device *pdev) dev->netinfo_task = kthread_run(&deliver_netinfo_thread, (void *)dev, "dim2_netinfo"); if (IS_ERR(dev->netinfo_task)) - ret = PTR_ERR(dev->netinfo_task); + return PTR_ERR(dev->netinfo_task); for (i = 0; i < DMA_CHANNELS; i++) { struct most_channel_capability *cap = dev->capabilities + i; diff --git a/drivers/staging/rtl8712/TODO b/drivers/staging/rtl8712/TODO index d8dfe5bfe702..847c8c41f4f7 100644 --- a/drivers/staging/rtl8712/TODO +++ b/drivers/staging/rtl8712/TODO @@ -4,10 +4,10 @@ TODO: - switch to use MAC80211 - checkpatch.pl fixes - only a few remain -Please send any patches to Greg Kroah-Hartman <greg@kroah.com>, -Larry Finger <Larry.Finger@lwfinger.net> and -Florian Schilhabel <florian.c.schilhabel@googlemail.com>. - - - +A replacement for this driver with MAC80211 support is available +at https://github.com/chunkeey/rtl8192su +Please send any patches to Greg Kroah-Hartman <gregkh@linuxfoundation.org>, +Larry Finger <Larry.Finger@lwfinger.net>, +Florian Schilhabel <florian.c.schilhabel@googlemail.com> and +Linux Driver Project Developer List <driverdev-devel@linuxdriverproject.org>. diff --git a/drivers/staging/rtl8723au/TODO b/drivers/staging/rtl8723au/TODO index f5d57d32fae6..42b86e478df8 100644 --- a/drivers/staging/rtl8723au/TODO +++ b/drivers/staging/rtl8723au/TODO @@ -9,5 +9,8 @@ TODO: - merge Realtek's bugfixes and new features into the driver - switch to use MAC80211 +A mac80211 driver for this hardware already was integrated at +drivers/net/wireless/realtek/rtl8xxxu/ + Please send any patches to Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jes Sorensen <Jes.Sorensen@redhat.com>, and Larry Finger <Larry.Finger@lwfinger.net>. diff --git a/drivers/staging/ste_rmi4/Kconfig b/drivers/staging/ste_rmi4/Kconfig deleted file mode 100644 index e8679509e525..000000000000 --- a/drivers/staging/ste_rmi4/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -config TOUCHSCREEN_SYNAPTICS_I2C_RMI4 - tristate "Synaptics i2c rmi4 touchscreen" - depends on I2C && INPUT - help - Say Y here if you have a Synaptics RMI4 and - want to enable support for the built-in touchscreen. - - To compile this driver as a module, choose M here: the - module will be called synaptics_rmi4_ts. diff --git a/drivers/staging/ste_rmi4/Makefile b/drivers/staging/ste_rmi4/Makefile deleted file mode 100644 index 6cce2ed187ef..000000000000 --- a/drivers/staging/ste_rmi4/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# -# Makefile for the RMI4 touchscreen driver. -# -obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += synaptics_i2c_rmi4.o diff --git a/drivers/staging/ste_rmi4/TODO b/drivers/staging/ste_rmi4/TODO deleted file mode 100644 index 9be2437da85f..000000000000 --- a/drivers/staging/ste_rmi4/TODO +++ /dev/null @@ -1,7 +0,0 @@ -TODO ----- - -Wait for the official upstream synaptics rmi4 clearpad drivers as promised over the past few months -Merge any device support needed from this driver into it -Delete this driver - diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c deleted file mode 100644 index 774958a8ce02..000000000000 --- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c +++ /dev/null @@ -1,1137 +0,0 @@ -/** - * - * Synaptics Register Mapped Interface (RMI4) I2C Physical Layer Driver. - * Copyright (c) 2007-2010, Synaptics Incorporated - * - * Author: Js HA <js.ha@stericsson.com> for ST-Ericsson - * Author: Naveen Kumar G <naveen.gaddipati@stericsson.com> for ST-Ericsson - * Copyright 2010 (c) ST-Ericsson AB - */ -/* - * This file is licensed under the GPL2 license. - * - *############################################################################# - * GPL - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - *############################################################################# - */ - -#include <linux/input.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/regulator/consumer.h> -#include <linux/module.h> -#include <linux/input/mt.h> -#include "synaptics_i2c_rmi4.h" - -/* TODO: for multiple device support will need a per-device mutex */ -#define DRIVER_NAME "synaptics_rmi4_i2c" - -#define MAX_ERROR_REPORT 6 -#define MAX_TOUCH_MAJOR 15 -#define MAX_RETRY_COUNT 5 -#define STD_QUERY_LEN 21 -#define PAGE_LEN 2 -#define DATA_BUF_LEN 32 -#define BUF_LEN 37 -#define QUERY_LEN 9 -#define DATA_LEN 12 -#define HAS_TAP 0x01 -#define HAS_PALMDETECT 0x01 -#define HAS_ROTATE 0x02 -#define HAS_TAPANDHOLD 0x02 -#define HAS_DOUBLETAP 0x04 -#define HAS_EARLYTAP 0x08 -#define HAS_RELEASE 0x08 -#define HAS_FLICK 0x10 -#define HAS_PRESS 0x20 -#define HAS_PINCH 0x40 - -#define MASK_16BIT 0xFFFF -#define MASK_8BIT 0xFF -#define MASK_7BIT 0x7F -#define MASK_5BIT 0x1F -#define MASK_4BIT 0x0F -#define MASK_3BIT 0x07 -#define MASK_2BIT 0x03 -#define TOUCHPAD_CTRL_INTR 0x8 -#define PDT_START_SCAN_LOCATION (0x00E9) -#define PDT_END_SCAN_LOCATION (0x000A) -#define PDT_ENTRY_SIZE (0x0006) -#define SYNAPTICS_RMI4_TOUCHPAD_FUNC_NUM (0x11) -#define SYNAPTICS_RMI4_DEVICE_CONTROL_FUNC_NUM (0x01) - -/** - * struct synaptics_rmi4_fn_desc - contains the function descriptor information - * @query_base_addr: base address for query - * @cmd_base_addr: base address for command - * @ctrl_base_addr: base address for control - * @data_base_addr: base address for data - * @intr_src_count: count for the interrupt source - * @fn_number: function number - * - * This structure is used to gives the function descriptor information - * of the particular functionality. - */ -struct synaptics_rmi4_fn_desc { - unsigned char query_base_addr; - unsigned char cmd_base_addr; - unsigned char ctrl_base_addr; - unsigned char data_base_addr; - unsigned char intr_src_count; - unsigned char fn_number; -}; - -/** - * struct synaptics_rmi4_fn - contains the function information - * @fn_number: function number - * @num_of_data_sources: number of data sources - * @num_of_data_points: number of fingers touched - * @size_of_data_register_block: data register block size - * @index_to_intr_reg: index for interrupt register - * @intr_mask: interrupt mask value - * @fn_desc: variable for function descriptor structure - * @link: linked list for function descriptors - * - * This structure gives information about the number of data sources and - * the number of data registers associated with the function. - */ -struct synaptics_rmi4_fn { - unsigned char fn_number; - unsigned char num_of_data_sources; - unsigned char num_of_data_points; - unsigned char size_of_data_register_block; - unsigned char index_to_intr_reg; - unsigned char intr_mask; - struct synaptics_rmi4_fn_desc fn_desc; - struct list_head link; -}; - -/** - * struct synaptics_rmi4_device_info - contains the rmi4 device information - * @version_major: protocol major version number - * @version_minor: protocol minor version number - * @manufacturer_id: manufacturer identification byte - * @product_props: product properties information - * @product_info: product info array - * @date_code: device manufacture date - * @tester_id: tester id array - * @serial_number: serial number for that device - * @product_id_string: product id for the device - * @support_fn_list: linked list for device information - * - * This structure gives information about the number of data sources and - * the number of data registers associated with the function. - */ -struct synaptics_rmi4_device_info { - unsigned int version_major; - unsigned int version_minor; - unsigned char manufacturer_id; - unsigned char product_props; - unsigned char product_info[2]; - unsigned char date_code[3]; - unsigned short tester_id; - unsigned short serial_number; - unsigned char product_id_string[11]; - struct list_head support_fn_list; -}; - -/** - * struct synaptics_rmi4_data - contains the rmi4 device data - * @rmi4_mod_info: structure variable for rmi4 device info - * @input_dev: pointer for input device - * @i2c_client: pointer for i2c client - * @board: constant pointer for touch platform data - * @fn_list_mutex: mutex for function list - * @rmi4_page_mutex: mutex for rmi4 page - * @current_page: variable for integer - * @number_of_interrupt_register: interrupt registers count - * @fn01_ctrl_base_addr: control base address for fn01 - * @fn01_query_base_addr: query base address for fn01 - * @fn01_data_base_addr: data base address for fn01 - * @sensor_max_x: sensor maximum x value - * @sensor_max_y: sensor maximum y value - * @regulator: pointer to the regulator structure - * @wait: wait queue structure variable - * @touch_stopped: flag to stop the thread function - * @fingers_supported: maximum supported fingers - * - * This structure gives the device data information. - */ -struct synaptics_rmi4_data { - struct synaptics_rmi4_device_info rmi4_mod_info; - struct input_dev *input_dev; - struct i2c_client *i2c_client; - const struct synaptics_rmi4_platform_data *board; - struct mutex fn_list_mutex; - struct mutex rmi4_page_mutex; - int current_page; - unsigned int number_of_interrupt_register; - unsigned short fn01_ctrl_base_addr; - unsigned short fn01_query_base_addr; - unsigned short fn01_data_base_addr; - int sensor_max_x; - int sensor_max_y; - struct regulator *regulator; - wait_queue_head_t wait; - bool touch_stopped; - unsigned char fingers_supported; -}; - -/** - * synaptics_rmi4_set_page() - sets the page - * @pdata: pointer to synaptics_rmi4_data structure - * @address: set the address of the page - * - * This function is used to set the page and returns integer. - */ -static int synaptics_rmi4_set_page(struct synaptics_rmi4_data *pdata, - unsigned int address) -{ - unsigned char txbuf[PAGE_LEN]; - int retval; - unsigned int page; - struct i2c_client *i2c = pdata->i2c_client; - - page = ((address >> 8) & MASK_8BIT); - if (page != pdata->current_page) { - txbuf[0] = MASK_8BIT; - txbuf[1] = page; - retval = i2c_master_send(i2c, txbuf, PAGE_LEN); - if (retval != PAGE_LEN) - dev_err(&i2c->dev, "failed:%d\n", retval); - else - pdata->current_page = page; - } else - retval = PAGE_LEN; - return retval; -} -/** - * synaptics_rmi4_i2c_block_read() - read the block of data - * @pdata: pointer to synaptics_rmi4_data structure - * @address: read the block of data from this offset - * @valp: pointer to a buffer containing the data to be read - * @size: number of bytes to read - * - * This function is to read the block of data and returns integer. - */ -static int synaptics_rmi4_i2c_block_read(struct synaptics_rmi4_data *pdata, - unsigned short address, - unsigned char *valp, int size) -{ - int retval = 0; - int retry_count = 0; - int index; - struct i2c_client *i2c = pdata->i2c_client; - - mutex_lock(&(pdata->rmi4_page_mutex)); - retval = synaptics_rmi4_set_page(pdata, address); - if (retval != PAGE_LEN) - goto exit; - index = address & MASK_8BIT; -retry: - retval = i2c_smbus_read_i2c_block_data(i2c, index, size, valp); - if (retval != size) { - if (++retry_count == MAX_RETRY_COUNT) - dev_err(&i2c->dev, - "%s:address 0x%04x size %d failed:%d\n", - __func__, address, size, retval); - else { - synaptics_rmi4_set_page(pdata, address); - goto retry; - } - } -exit: - mutex_unlock(&(pdata->rmi4_page_mutex)); - return retval; -} - -/** - * synaptics_rmi4_i2c_byte_write() - write the single byte data - * @pdata: pointer to synaptics_rmi4_data structure - * @address: write the block of data from this offset - * @data: data to be write - * - * This function is to write the single byte data and returns integer. - */ -static int synaptics_rmi4_i2c_byte_write(struct synaptics_rmi4_data *pdata, - unsigned short address, - unsigned char data) -{ - unsigned char txbuf[2]; - int retval = 0; - struct i2c_client *i2c = pdata->i2c_client; - - /* Can't have anyone else changing the page behind our backs */ - mutex_lock(&(pdata->rmi4_page_mutex)); - - retval = synaptics_rmi4_set_page(pdata, address); - if (retval != PAGE_LEN) - goto exit; - txbuf[0] = address & MASK_8BIT; - txbuf[1] = data; - retval = i2c_master_send(pdata->i2c_client, txbuf, 2); - /* Add in retry on writes only in certain error return values */ - if (retval != 2) { - dev_err(&i2c->dev, "failed:%d\n", retval); - retval = -EIO; - } else - retval = 1; -exit: - mutex_unlock(&(pdata->rmi4_page_mutex)); - return retval; -} - -/** - * synpatics_rmi4_touchpad_report() - reports for the rmi4 touchpad device - * @pdata: pointer to synaptics_rmi4_data structure - * @rfi: pointer to synaptics_rmi4_fn structure - * - * This function calls to reports for the rmi4 touchpad device - */ -static int synpatics_rmi4_touchpad_report(struct synaptics_rmi4_data *pdata, - struct synaptics_rmi4_fn *rfi) -{ - /* number of touch points - fingers down in this case */ - int touch_count = 0; - int finger; - int finger_registers; - int reg; - int finger_shift; - int finger_status; - int retval; - int x, y; - int wx, wy; - unsigned short data_base_addr; - unsigned short data_offset; - unsigned char data_reg_blk_size; - unsigned char values[2]; - unsigned char data[DATA_LEN]; - unsigned char fingers_supported = pdata->fingers_supported; - struct i2c_client *client = pdata->i2c_client; - struct input_dev *input_dev = pdata->input_dev; - - /* get 2D sensor finger data */ - /* - * First get the finger status field - the size of the finger status - * field is determined by the number of finger supporte - 2 bits per - * finger, so the number of registers to read is: - * registerCount = ceil(numberOfFingers/4). - * Read the required number of registers and check each 2 bit field to - * determine if a finger is down: - * 00 = finger not present, - * 01 = finger present and data accurate, - * 10 = finger present but data may not be accurate, - * 11 = reserved for product use. - */ - finger_registers = (fingers_supported + 3) / 4; - data_base_addr = rfi->fn_desc.data_base_addr; - retval = synaptics_rmi4_i2c_block_read(pdata, data_base_addr, values, - finger_registers); - if (retval != finger_registers) { - dev_err(&client->dev, "%s:read status registers failed\n", - __func__); - return 0; - } - /* - * For each finger present, read the proper number of registers - * to get absolute data. - */ - data_reg_blk_size = rfi->size_of_data_register_block; - for (finger = 0; finger < fingers_supported; finger++) { - /* determine which data byte the finger status is in */ - reg = finger / 4; - /* bit shift to get finger's status */ - finger_shift = (finger % 4) * 2; - finger_status = (values[reg] >> finger_shift) & 3; - /* - * if finger status indicates a finger is present then - * read the finger data and report it - */ - input_mt_slot(input_dev, finger); - input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, - finger_status != 0); - - if (finger_status) { - /* Read the finger data */ - data_offset = data_base_addr + - ((finger * data_reg_blk_size) + - finger_registers); - retval = synaptics_rmi4_i2c_block_read(pdata, - data_offset, data, - data_reg_blk_size); - if (retval != data_reg_blk_size) { - dev_err(&client->dev, "%s:read data failed\n", - __func__); - return 0; - } - x = (data[0] << 4) | (data[2] & MASK_4BIT); - y = (data[1] << 4) | ((data[2] >> 4) & MASK_4BIT); - wy = (data[3] >> 4) & MASK_4BIT; - wx = (data[3] & MASK_4BIT); - - if (pdata->board->x_flip) - x = pdata->sensor_max_x - x; - if (pdata->board->y_flip) - y = pdata->sensor_max_y - y; - - input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, - max(wx, wy)); - input_report_abs(input_dev, ABS_MT_POSITION_X, x); - input_report_abs(input_dev, ABS_MT_POSITION_Y, y); - - /* number of active touch points */ - touch_count++; - } - } - - /* sync after groups of events */ - input_mt_sync_frame(input_dev); - input_sync(input_dev); - /* return the number of touch points */ - return touch_count; -} - -/** - * synaptics_rmi4_report_device() - reports the rmi4 device - * @pdata: pointer to synaptics_rmi4_data structure - * @rfi: pointer to synaptics_rmi4_fn - * - * This function is used to call the report function of the rmi4 device. - */ -static int synaptics_rmi4_report_device(struct synaptics_rmi4_data *pdata, - struct synaptics_rmi4_fn *rfi) -{ - int touch = 0; - struct i2c_client *client = pdata->i2c_client; - static int num_error_reports; - - if (rfi->fn_number != SYNAPTICS_RMI4_TOUCHPAD_FUNC_NUM) { - num_error_reports++; - if (num_error_reports < MAX_ERROR_REPORT) - dev_err(&client->dev, "%s:report not supported\n", - __func__); - } else - touch = synpatics_rmi4_touchpad_report(pdata, rfi); - return touch; -} -/** - * synaptics_rmi4_sensor_report() - reports to input subsystem - * @pdata: pointer to synaptics_rmi4_data structure - * - * This function is used to reads in all data sources and reports - * them to the input subsystem. - */ -static int synaptics_rmi4_sensor_report(struct synaptics_rmi4_data *pdata) -{ - unsigned char intr_status[4]; - /* number of touch points - fingers or buttons */ - int touch = 0; - unsigned int retval; - struct synaptics_rmi4_fn *rfi; - struct synaptics_rmi4_device_info *rmi; - struct i2c_client *client = pdata->i2c_client; - - /* - * Get the interrupt status from the function $01 - * control register+1 to find which source(s) were interrupting - * so we can read the data from the source(s) (2D sensor, buttons..) - */ - retval = synaptics_rmi4_i2c_block_read(pdata, - pdata->fn01_data_base_addr + 1, - intr_status, - pdata->number_of_interrupt_register); - if (retval != pdata->number_of_interrupt_register) { - dev_err(&client->dev, - "could not read interrupt status registers\n"); - return 0; - } - /* - * check each function that has data sources and if the interrupt for - * that triggered then call that RMI4 functions report() function to - * gather data and report it to the input subsystem - */ - rmi = &(pdata->rmi4_mod_info); - list_for_each_entry(rfi, &rmi->support_fn_list, link) { - if (rfi->num_of_data_sources) { - if (intr_status[rfi->index_to_intr_reg] & - rfi->intr_mask) - touch = synaptics_rmi4_report_device(pdata, - rfi); - } - } - /* return the number of touch points */ - return touch; -} - -/** - * synaptics_rmi4_irq() - thread function for rmi4 attention line - * @irq: irq value - * @data: void pointer - * - * This function is interrupt thread function. It just notifies the - * application layer that attention is required. - */ -static irqreturn_t synaptics_rmi4_irq(int irq, void *data) -{ - struct synaptics_rmi4_data *pdata = data; - int touch_count; - - do { - touch_count = synaptics_rmi4_sensor_report(pdata); - if (touch_count) - wait_event_timeout(pdata->wait, pdata->touch_stopped, - msecs_to_jiffies(1)); - else - break; - } while (!pdata->touch_stopped); - return IRQ_HANDLED; -} - -/** - * synpatics_rmi4_touchpad_detect() - detects the rmi4 touchpad device - * @pdata: pointer to synaptics_rmi4_data structure - * @rfi: pointer to synaptics_rmi4_fn structure - * @fd: pointer to synaptics_rmi4_fn_desc structure - * @interruptcount: count the number of interrupts - * - * This function calls to detects the rmi4 touchpad device - */ -static int synpatics_rmi4_touchpad_detect(struct synaptics_rmi4_data *pdata, - struct synaptics_rmi4_fn *rfi, - struct synaptics_rmi4_fn_desc *fd, - unsigned int interruptcount) -{ - unsigned char queries[QUERY_LEN]; - unsigned short intr_offset; - unsigned char abs_data_size; - unsigned char abs_data_blk_size; - unsigned char egr_0, egr_1; - unsigned int all_data_blk_size; - int has_pinch, has_flick, has_tap; - int has_tapandhold, has_doubletap; - int has_earlytap, has_press; - int has_palmdetect, has_rotate; - int has_rel; - int i; - int retval; - struct i2c_client *client = pdata->i2c_client; - - rfi->fn_desc.query_base_addr = fd->query_base_addr; - rfi->fn_desc.data_base_addr = fd->data_base_addr; - rfi->fn_desc.intr_src_count = fd->intr_src_count; - rfi->fn_desc.fn_number = fd->fn_number; - rfi->fn_number = fd->fn_number; - rfi->num_of_data_sources = fd->intr_src_count; - rfi->fn_desc.ctrl_base_addr = fd->ctrl_base_addr; - rfi->fn_desc.cmd_base_addr = fd->cmd_base_addr; - - /* - * need to get number of fingers supported, data size, etc. - * to be used when getting data since the number of registers to - * read depends on the number of fingers supported and data size. - */ - retval = synaptics_rmi4_i2c_block_read(pdata, fd->query_base_addr, - queries, - sizeof(queries)); - if (retval != sizeof(queries)) { - dev_err(&client->dev, "%s:read function query registers\n", - __func__); - return retval; - } - /* - * 2D data sources have only 3 bits for the number of fingers - * supported - so the encoding is a bit weird. - */ - if ((queries[1] & MASK_3BIT) <= 4) - /* add 1 since zero based */ - rfi->num_of_data_points = (queries[1] & MASK_3BIT) + 1; - else { - /* - * a value of 5 is up to 10 fingers - 6 and 7 are reserved - * (shouldn't get these i int retval;n a normal 2D source). - */ - if ((queries[1] & MASK_3BIT) == 5) - rfi->num_of_data_points = 10; - } - pdata->fingers_supported = rfi->num_of_data_points; - /* Need to get interrupt info for handling interrupts */ - rfi->index_to_intr_reg = (interruptcount + 7) / 8; - if (rfi->index_to_intr_reg != 0) - rfi->index_to_intr_reg -= 1; - /* - * loop through interrupts for each source in fn $11 - * and or in a bit to the interrupt mask for each. - */ - intr_offset = interruptcount % 8; - rfi->intr_mask = 0; - for (i = intr_offset; - i < ((fd->intr_src_count & MASK_3BIT) + intr_offset); i++) - rfi->intr_mask |= 1 << i; - - /* Size of just the absolute data for one finger */ - abs_data_size = queries[5] & MASK_2BIT; - /* One each for X and Y, one for LSB for X & Y, one for W, one for Z */ - abs_data_blk_size = 3 + (2 * (abs_data_size == 0 ? 1 : 0)); - rfi->size_of_data_register_block = abs_data_blk_size; - - /* - * need to determine the size of data to read - this depends on - * conditions such as whether Relative data is reported and if Gesture - * data is reported. - */ - egr_0 = queries[7]; - egr_1 = queries[8]; - - /* - * Get info about what EGR data is supported, whether it has - * Relative data supported, etc. - */ - has_pinch = egr_0 & HAS_PINCH; - has_flick = egr_0 & HAS_FLICK; - has_tap = egr_0 & HAS_TAP; - has_earlytap = egr_0 & HAS_EARLYTAP; - has_press = egr_0 & HAS_PRESS; - has_rotate = egr_1 & HAS_ROTATE; - has_rel = queries[1] & HAS_RELEASE; - has_tapandhold = egr_0 & HAS_TAPANDHOLD; - has_doubletap = egr_0 & HAS_DOUBLETAP; - has_palmdetect = egr_1 & HAS_PALMDETECT; - - /* - * Size of all data including finger status, absolute data for each - * finger, relative data and EGR data - */ - all_data_blk_size = - /* finger status, four fingers per register */ - ((rfi->num_of_data_points + 3) / 4) + - /* absolute data, per finger times number of fingers */ - (abs_data_blk_size * rfi->num_of_data_points) + - /* - * two relative registers (if relative is being reported) - */ - 2 * has_rel + - /* - * F11_2D_data8 is only present if the egr_0 - * register is non-zero. - */ - !!(egr_0) + - /* - * F11_2D_data9 is only present if either egr_0 or - * egr_1 registers are non-zero. - */ - (egr_0 || egr_1) + - /* - * F11_2D_data10 is only present if EGR_PINCH or EGR_FLICK of - * egr_0 reports as 1. - */ - |